Open sourceShell · ≈4.3k stars · MIT
Claude Octopus
Runs several AI models on the same task from Claude Code and shows where they disagree.
Claude Code plugin that runs multiple models (Codex, Gemini, Copilot and others) against the same research, design or coding task and surfaces disagreements.
Neighbours on the workbench
TypeScript · ≈393k stars · MIT
openclaw/openclaw
The viral open-source personal AI assistant that really does things.
Maintained by OpenClaw Foundation
TypeScript · ≈265k stars · MIT
deepseek-ai/deepseek-harness
Everything is a Plugin — DeepSeek's open agent harness.
Maintained by DeepSeek
TypeScript · ≈209k stars · Sustainable Use License (fair-code; GitHub reports NOASSERTION)
n8n-io/n8n
Fair-code workflow automation platform with native AI capabilities.
Maintained by n8n-io
Connections
Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.
Maintained by · 1
- nyldnOrganisation
Built on · 2
- Claude CodeProject
- CodexProject
Similar entries · 1
- claude-councilProject
Sources
Verified Oct 29, 2026